This German propaganda movie was part of a U.S. Navy archive compiled during WWII, and acquired by Periscope Film. This film celebrates the German U-boats, and especially the sinking of the British aircraft carrier HMS Courageous by submarine-launched torpedo. Adolf Hitler is seen decorating a U-boat crew. Featured submarines: Type IX (9) U-boats U-38 and U-37. ( 3 reviews ) Topic: German World War II (WWII) Propaganda film.